Materials and tolerances for press plates and endless press belts
| Sandvik grade | UNS | ASTM | EN steel no. | EN steel name |
|---|---|---|---|---|
| Press plates | ||||
| - | - | ~ 420 | 1.4120 | X20CrMo13 |
| Sandvik 393SQ | - | - | 1.4024 | X15Cr13 |
| - | S17400 | 630 | 1.4542 | X5CrNiCuNb17-4 |
| - | - | - | 2.0335 | CuZn36 (Ms64) |
| Endless press belts | ||||
| Sandvik 1100SMD | S17400 | 630 | 1.4542 | X5CrNiCuNb16-4 |
| Sandvik grade | EN steel no. | Supply condition | Tensile strength Rm MPa/ksi |
Hardness HCR |
|---|---|---|---|---|
| - | 1.4120 | Hardened + tempered | 1300 | 40 |
| Sandvik 393SQ | 1.4024 | Hardened + tempered | 1275 | 40 |
| - | 1.4542 | Precipitaion hardened | 1250 | 40 |
| - | 2.0335 | Cold rolled | 420 | - |
| Sandvik 1100SMD | 1.4525 | Precipitaion hardened | 1100 | 35 |
| Sandvik grade | EN steel no. | Thermal conductivity W/mºC (at 200ºC) | Coefficient of thermal expansion (10-6/°C) |
|---|---|---|---|
| - | 1.4120 | 30.0 | 10.5 (20-100ºC) 11.0 (20-200ºC) 11.5 (20-300ºC) |
| Sandvik 393SQ | 1.4024 | 23.5 | 10.5 (20-100ºC) 11.0 (20-200ºC) 11.5 (20-300ºC) |
| - | 1.4542 | 34.0 | 10.8 (20-100ºC) 10.8 (20-200ºC) 11.2 (20-300ºC) |
| - | 2.0335 | 113.0 | 19.0 (20-100ºC) 19.8 (20-200ºC) 20.5 (20-300ºC) |
| Sandvik 1100SMD | 1.4525 | 19.0 | 10.8 (20-100ºC) 10.8 (20-100ºC) 11.2 (20-100ºC) |
Tolerances
Sandvik press plates can be delivered with the following tolerances.
| Sandvik grade | EN steel no. | Length mm |
Width mm |
Thickness mm |
|---|---|---|---|---|
| - | 1.4120 | -0/+3 | -0/+3 | +/- 0.25 |
| Sandvik 393SQ | 1.4024 | -0/+5 | -0/+5 | +/- 0.25 |
| - | 1.4542 | -0/+5 | -0/+5 | +/- 0.25 |
| - | 2.0335 | -0/+5 | -0/+5 | +/- 0.25 |
| Sandvik 1100SMD | 1.4525 | +/- 35 | +/- 2 | +/- 0.10 |
| Sandvik grade | EN steel no. | Flatness mm/m |
Straightness on edges | Paralellism |
|---|---|---|---|---|
| - | 1.4120 | 3.0 | - | 0.15 |
| Sandvik 393SQ | 1.4024 | 3.0 | - | 0.25 |
| - | 1.4542 | 3.0 | - | 0.03 |
| - | 2.0335 | 3.0 | - | 0.25 |
| Sandvik 1100SMD | 1.4525 | - | 0.2‰ of length | 0.10 incl. seam |